To find the maximum number of concurrent sorts from instance start, run
the following query:
SELECT LEAST(disk_sorts, peak) AS peak_concurrent
FROM (SELECT VALUE AS disk_sorts
FROM sys.v_$sysstat
WHERE name = 'sorts (disk)')
, (SELECT /*+ ordered */
SUM(l.max_utilization) peak
FROM (SELECT /*+ ordered */
DISTINCT t.contents$
FROM (SELECT DISTINCT tempts#
FROM sys.user$
WHERE type# = 1) u
, sys.ts$ t
WHERE t.ts# = u.tempts#) y
, sys.v_$resource_limit l
WHERE ( y.contents$ = 0
AND l.resource_name = 'temporary_table_locks')
OR ( y.contents$ = 1
AND l.resource_name = 'sort_segment_locks'));
Jon Walthour
-----Original Message-----
Alex
Sent: Friday, August 17, 2001 7:01 PM
To: Multiple recipients of list ORACLE-L
star
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Author: Jon Walthour
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